Linkage headrest guide sleeve

Abstract

The invention discloses a linkage headrest guide sleeve, and relates to the technical field of automobile seats, the linkage headrest guide sleeve comprises guide sleeve assemblies used for being connected with headrest rods and a sliding unlocking part connected with the two guide sleeve assemblies, each guide sleeve assembly comprises a guide sleeve body, and the upper portion of each guide sleeve body is connected with a button, an elastic piece and a cover cap; the sliding unlocking part comprises unlocking pieces connected with the button and a sliding rod connected with the two unlocking pieces. The linkage headrest guide sleeve is simple in manufacturing process, low in cost and safe and reliable in performance, simultaneous unlocking of the two sides of a headrest is achieved, the function of guaranteeing synchronization of the two sides of the headrest is achieved while rapid unlocking of the headrest is provided, the locking strength of the headrest is guaranteed in a strength test, the headrest is pulled out after simple key pressing operation of a passenger, and the safety of the passenger is guaranteed. A large bed mode is realized, the riding feeling is greatly improved, and the system can be applied to seats in various shapes and is suitable for the trend that current new energy vehicles require more comfort, lighter and more intelligent.

Description

Technical Field

[0001] The invention relates to the technical field of automobile seats, and in particular to a linkage headrest guide sleeve. Background Art

[0002] The car seat headrest is connected to the headrest guide sleeve set on the seat back frame through the headrest rod, and the height adjustment of the headrest is achieved by operating the locking element to unlock / lock the headrest. The headrest provides support and safety protection for the occupants.

[0003] At present, the headrests of new energy vehicle seats cannot be unlocked on both sides at the same time, and the single unlocking mechanism has poor stability, which makes the headrest difficult to adjust, and it is extremely inconvenient to remove the headrest when it is necessary.

[0004] Therefore, it is necessary to design a linkage headrest guide sleeve to improve the above problems. Summary of the invention

[0005] In view of the above problems in the prior art, the present invention provides a linkage headrest guide sleeve, which provides a function of quickly unlocking the headrest and ensuring synchronization of both sides of the headrest.

[0006] To achieve the above purpose, the technical solution adopted by the present invention is:

[0007] The present invention provides a linked headrest guide sleeve, comprising a guide sleeve assembly for connecting a headrest rod and a sliding unlocking portion connecting two guide sleeve assemblies, the guide sleeve assembly comprising a guide sleeve body, a button, a spring sheet, and a cover connected to the upper portion of the guide sleeve body, the spring sheet and the button being embedded and injection molded, and the sliding unlocking portion comprising an unlocking piece connected to the button and a sliding rod connecting the two unlocking pieces.

[0008] As a preferred embodiment of the present invention, a slideway is provided at the lower portion of the slide rod.

[0009] As a preferred embodiment of the present invention, the button includes an visible lock button and a concealed lock button.

[0010] As a preferred embodiment of the present invention, a fixing groove for connecting the unlocking piece is provided at the lower portion of the button.

[0011] As a preferred embodiment of the present invention, arc-shaped hooks are symmetrically provided on the unlocking piece, and the arc-shaped hooks match the fixing grooves.

[0012] As a preferred embodiment of the present invention, sliding grooves are symmetrically arranged on the unlocking piece.

[0013] As a preferred embodiment of the present invention, guide plates are symmetrically arranged on the guide sleeve body, and the guide plates match the slide grooves.

[0014] As a preferred embodiment of the present invention, clamping blocks are provided at both ends of the sliding rod, and the clamping blocks are clamped with the unlocking piece.

[0015] Due to the adoption of the above technical solution, compared with the prior art, the beneficial effects of the present invention are:

[0016] (1) The linkage headrest guide sleeve of the present invention has a simple manufacturing process, low cost, safe and reliable performance, and realizes simultaneous unlocking of both sides of the headrest. While providing rapid unlocking of the headrest, it also has the function of ensuring synchronization of both sides of the headrest, and ensures the locking strength of the headrest in the strength test;

[0017] (2) The invention provides a linkage headrest guide sleeve, which can be pulled out by the passenger with a simple button operation, thus realizing a large bed mode and greatly improving the riding experience;

[0018] (3) The linked headrest guide sleeve of the present invention occupies less space, is easy to arrange, and can be applied to a variety of seats. It is in line with the current trend of new energy vehicles requiring more comfort, lighter weight, and smarter performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] By referring to the following description in conjunction with the accompanying drawings, and with a more comprehensive understanding of the present invention, other objects and results of the present invention will become more apparent and easy to understand. In the accompanying drawings:

[0020] Figure 1 is a stereogram of an example of the present invention;

[0021] Figure 2 is another stereogram of an example of the present invention;

[0022] Figure 3 is an exploded view of an example of the present invention;

[0023] Figure 4 is a bottom view of the button and the spring of the embodiment of the present invention;

[0024] The reference numerals therein include: guide sleeve assembly 1, sliding unlocking portion 2, guide sleeve body 11, button 12, spring piece 13, cover 14, guide piece 111, visible lock button 121, concealed lock button 122, fixing groove 123, unlocking piece 21, sliding rod 22, slideway 23, arc hook 211, slide groove 212, and block 221. DETAILED DESCRIPTION

[0025] The following will clearly and completely describe the technical solutions of various embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0026] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0027] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. It should be pointed out that all the drawings are exemplary representations. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0028] The present invention is further described in detail below through specific implementation examples in conjunction with the accompanying drawings.

[0029] Reference Figures 1 to 4 , Figure 1 is a stereogram of an example of the present invention, Figure 2 is another stereogram of an example of the present invention, Figure 3 is an exploded view of an example of the present invention, Figure 4 It is a bottom view of the button and the spring of the example of the present invention. The present invention provides a linked headrest guide sleeve, including a guide sleeve assembly 1 and a sliding unlocking portion 2. The guide sleeve assembly 1 is used to connect the headrest rod. The two guide sleeve assemblies 1 are arranged in parallel on the seat frame. The sliding unlocking portion 2 connects the two guide sleeve assemblies 1. The sliding unlocking portion 2 can realize that the guide sleeve assemblies 1 on both sides can unlock the headrest rod at the same time.

[0030] The guide sleeve assembly 1 includes a guide sleeve body 11, a button 12, a spring 13, and a cover 14. The upper part of the guide sleeve body 11 is connected with the button 12, the spring 13, and the cover 14. The spring 13 and the button 12 are embedded and injection molded, and then inserted into the corresponding position on the upper part of the guide sleeve body 11. The cover 14 is arranged at the uppermost part of the guide sleeve body 11; in one embodiment, the button 12 includes an visible lock button 121 and a concealed lock button 122.

[0031] The sliding unlocking part 2 includes an unlocking piece 21 and a slide bar 22. The unlocking piece 21 is preferably made of metal. The unlocking piece 21 is connected to the button 12. The slide bar 22 connects the two unlocking pieces 21. In one embodiment, a clamping block 221 is provided at both ends of the slide bar 22, and the clamping block 221 is clamped with the unlocking piece 21. In one embodiment, a slideway 23 is provided at the lower part of the slide bar 22, and the slideway 23 is used to guide and support the movement of the slide bar 22.

[0032] In one embodiment, a fixing groove 123 for connecting the unlocking piece 21 is provided at the lower portion of the button 12 , and an arc-shaped hook 211 is symmetrically provided on the unlocking piece 21 , and the arc-shaped hook 211 matches the fixing groove 123 .

[0033] In one embodiment, the unlocking piece 21 is symmetrically provided with a slide groove 212 , and the guide sleeve body 11 is symmetrically provided with a guide piece 111 , and the guide piece 111 matches the slide groove 212 .

[0034] The following will refer to Figures 1 to 4 The working principle of the present invention is described.

[0035] Reference Figure 1 , shows an embodiment in which one side of the guide sleeve assembly 1 is an visible lock button and the other side is a concealed lock button. When the passenger presses the visible lock button 121, the visible lock button 121 moves by pushing the unlocking piece 21 connected thereto, thereby driving the slide bar 22 and the unlocking piece 21 on the other side to move, and finally the concealed lock button 122 moves. After reaching the unlocking stroke, the left and right headrest rods are unlocked at the same time, and the headrest can be pulled out; after releasing the visible lock button 121, the elastic force of the spring sheet 13 is relied on to reset, thereby realizing the locking of the headrest rod.

[0036] The above are only specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art who is familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the present invention, which should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims

1. A linkage headrest guide sleeve, characterized in that: It includes a guide sleeve assembly for connecting the headrest rod and a sliding unlocking part connecting the two guide sleeve assemblies. The guide sleeve assembly includes a guide sleeve body. The upper part of the guide sleeve body is connected to a button, a spring piece, and a cover. The spring piece and the button are embedded in injection molding. The sliding unlocking part includes an unlocking piece connected to the button and a sliding rod connecting the two unlocking pieces.

2. The linkage headrest guide sleeve according to claim 1, characterized in that: A slideway is arranged at the lower part of the slide bar.

3. The linkage headrest guide sleeve according to claim 1, characterized in that: The buttons include an explicit lock button and a concealed lock button.

4. The linkage headrest guide sleeve according to claim 1, characterized in that: A fixing groove for connecting the unlocking piece is provided at the lower part of the button.

5. The linkage headrest guide sleeve according to claim 4, characterized in that: The unlocking piece is symmetrically provided with arc-shaped hooks, and the arc-shaped hooks match the fixing grooves.

6. The linkage headrest guide sleeve according to claim 1, characterized in that: The unlocking piece is symmetrically provided with sliding grooves.

7. The linkage headrest guide sleeve according to claim 6, characterized in that: The guide sleeve body is symmetrically provided with guide pieces, and the guide pieces match the slide grooves.

8. The linkage headrest guide sleeve according to claim 1, characterized in that: The two ends of the slide bar are provided with clamping blocks, and the clamping blocks are clamped with the unlocking piece.

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